TechCrunch has the romantic background story on how the app came to be:
Kaitlyn Trigger is a marketing director at Rally.org. She also happens to be Instagram co-founder Mike Krieger’s girlfriend of two and a half years.
Last December, Trigger decided she wanted to be able to talk to her boyfriend in depth about the stuff he was working on. So the Yale political science major who “never took any computer classes” covertly downloaded “Learn Python the Hard Way” and began the Odyssey into programming, deadline Valentines’ Day.
Her goal? To create what is now Lovestagram, a way to take the Instagram photos you’ve shared with a specific person and turn them into an e-Valentine.
We've taken the liberty of creating come some relevant mock-up examples of Lovestagrams that you may (or may not!) want to send to your friends and lovers: